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The Rapid Heating Method For Assembling Aluminum Electrolytic Cell Cathode Carbon Block
In the assembly of the cathode carbon block of the aluminum reduction cell, it is necessary to assemble the cathode steel rod in the dovetail tank of the carbon block. For the effective combination of the steel rod and the carbon block, the carbon block must be heated to 50-60°C. The current practice is to build a heating furnace in which the cathode carbon block is heated as a whole.
2021-10-16
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The Utilization Technology Analysis Of Secondary Aluminum Ash In Electrolytic Aluminum
The secondary aluminum ash of electrolytic aluminum is a hazardous waste containing a large amount of toxic and hazardous substances such as fluoride, cyanide, aluminum carbide, and aluminum nitride, and its treatment has always been a research focus in the electrolytic aluminum industry.
2021-10-09
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USA Researchers Extract Rare Earth Elements From phosphogypsum
Rare earth elements, known as industrial vitamins, are indispensable manufacturing materials for many high-tech equipment such as mobile phones and computers. The world's rare earth element reserves are not abundant and unevenly distributed, and they are in a state of supply shortage for a long time. Recently, American researchers published a research report in the online edition of the Journal of Chemical Thermodynamics, stating that they have developed a method for extracting rare earth elements from industrial waste-phosphogypsum, which may ease the tight supply of rare earth elements.
2021-10-16
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How To Deal With Wastewater Discharged From The Metal Industry?
The main source of zinc in metal processing wastewater is electroplating or pickling tow liquid. The contaminants are transferred to the rinsing water through the metal rinsing process. The pickling process includes immersing the metal (zinc or copper) in a strong acid to remove oxides on the surface, and then immersing it in a brightener containing strong chromic acid for brightening treatment.
2021-10-23
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The Influence Of Temperature On Aluminum Alloy Passivation Process
Aluminum alloy passivation is in the process and temperature plays a very important role in the passivation effect. The influence of temperature exists in the pretreatment and passivation process of passivation. To do a good job in passivation of aluminum alloy, the temperature cannot be ignored. Important elements, so it is absolutely necessary to discuss the influence of temperature in the passivation process.
2021-10-16
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GPC Test Method For High Temperature Resistant Polyamide Pa10t
Gel Permeation Chromatography (GPC) is one of the most effective and commonly used methods for testing the molecular weight and molecular weight distribution of polymer materials. In order to obtain accurate test results, the test sample must have good solubility in the GPC mobile phase solvent. PA is one of the most used engineering plastics. However, due to intermolecular hydrogen bonding, the solvents that can dissolve PA are very limited.
2021-10-23
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Magnesium Alloy Electronic Welding And Laser Welding
During electron beam welding, magnesium vapor is immediately formed under the electron beam, and the molten magnesium flows into the small holes produced. Due to the high vapor pressure of magnesium alloys, the small holes produced are often larger than those of other metals, which are easy to be in the weld. Stomas are formed at the roots. Therefore, the process parameters should be carefully operated and controlled to prevent overheating from causing pores.
2021-10-16
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New breakthrough in nanotechnology: perfect welding of special aluminum alloys
This aluminum alloy weighs only one-third of steel, but is almost as hard as steel. Therefore, this technology can make transportation more portable and energy-saving. It is generally used in aircraft fuselages and wings. In addition, mobile phones also use this technology.
2021-10-09
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How to determine the size reduction problem facing the processor?
Granulation, grinding, and shredding are all common terms used to describe the by-product crumbs of plastics processing. Every plastic processing equipment will produce waste and a certain degree of substandard products, and these substandard products will be discarded as waste products.
2021-10-27
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Failure Forms of Aluminum Die Casting Molds and Material Selection
This article aims to provide a comprehensive overview of the failure forms of aluminum die casting molds and discuss the factors influencing material selection.
2024-07-27
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Rapid Prototyping Methods for Indirect Manufacturing Molds
This article delves into the various rapid prototyping methods employed to produce molds for indirect manufacturing, their benefits, limitations, and impact on the manufacturing industry.
2024-07-22
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Six rules to prevent thermoplastic foam board from extruding speed collection!
Successful foam extrusion looks like art. The optimized foam process using inert gases saves materials and energy, without causing global warming or the potential for ozone depletion. Facts have proved that thermoplastic foam extrusion is beneficial to the extrusion of rigid profiles, wood and sheet materials, as well as cables, garden hoses and films. However, these six basic rules are usually ignored.
2021-10-27
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